226656013 has 2 divisors, whose sum is σ = 226656014. Its totient is φ = 226656012.

The previous prime is 226655941. The next prime is 226656047. The reversal of 226656013 is 310656622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226111369 + 544644 = 15037^2 + 738^2 .

It is a cyclic number.

It is not a de Polignac number, because 226656013 - 2¹³ = 226647821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226656613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113328006 + 113328007.

It is an arithmetic number, because the mean of its divisors is an integer number (113328007).

Almost surely, 2^226656013 is an apocalyptic number.

It is an amenable number.

226656013 is a deficient number, since it is larger than the sum of its proper divisors (1).

226656013 is an equidigital number, since it uses as much as digits as its factorization.

226656013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 226656013 is about 15055.0992358071. The cubic root of 226656013 is about 609.7087322164.

The spelling of 226656013 in words is "two hundred twenty-six million, six hundred fifty-six thousand, thirteen".